ALLEN PARK >> Defensive tackle Nick Fairley lined up with the twos (the second string) Monday at Detroit Lions training camp, but coach Jim Caldwell said not to read too much into it.

“Was there a depth chart that said anything about the twos?” Caldwell said. “We haven’t put out a depth chart. When we do we will, but we haven’t yet. So what you see moreso than anything else is we decide how we rep guys. It doesn’t necessarily mean that they’re one, two, three or whatever it might be. It depends on the situation. So don’t read a whole lot into it.’’

Fairley started Saturday’s game against the Browns.

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“Just like everybody else, he could be better,’’ Caldwell said of Fairley’s performance in that game.

C.J. Mosley got reps with the starters in Monday’s practice. He was asked if he’s the starter now.

“I don’t know, I don’t worry about that, I just go in when they call me,’’ Mosley said.

A few hours after Caldwell’s press conference a new depth chart was released with Fairley still listed as the starter.

The Lions play their second preseason game at 10 p.m. on Friday at the Oakland Raiders.

Stafford jinxed

Matthew Stafford threw his first interception during training camp late in Monday’s practice.

His pass was a little high, bounced off the hands of Brandon Pettigrew and into the hands of cornerback Bill Bentley.

When Stafford was told on Friday that offensive coordinator Joe Lombardi had mentioned his interception-free camp, Stafford’s initial reaction was that he had been jinxed.

Ins and outs

Calvin Johnson practiced on Monday after he sat out Saturday night’s Lions’ preseason opener. Also returning to practice were Theo Riddick who suffered an abdominal injury in the game and Tahir Whitehead who left the game and appeared to be having a concussion test on the sideline.

Missing from Monday’s practice was right guard Larry Warford, safety Don Carey, along with Ziggy Ansah and TJ Jones who are on the physically unable to perform list.

High and dry

Practice was moved indoors due to the torrential rain. Since it was moved, it was closed to the public. The final practice set to be open to fans is at 2 p.m. on Wednesday.